Injury-prevention exercises you can do in 5 minutes a day

Thank you for that question, imaginary reader (though I could live without your sarcasm). The answer is that, with these exercises, you can work all the most important muscles—focusing on the glutes, hips and quads—in only five minutes a day. They're best done right after a run, when your muscles are warmed up, but could also be done while sipping coffee after you wake up or later in the day while pretending to work in the conference room. (Just make sure the door is locked, as steps four and five make you look like you're aggressively humping the air.)